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单词 回波
释义 DEFINITIVE EXAMPLES 权威例句〔REASON〕No, he isn't here - he had to go back to Poland for some reason. 不,他不在这儿。他有事回波兰去了。朗文写作活用〔echo sounder〕A device for measuring depth of water by sending pressure waves down from the surface and recording the time until the echo returns from the bottom.回声测深器:一种通过向水面发射压力波,并记录水底反射回波到达原发射地的时间来测量水深的仪器美国传统〔echocardiogram〕A visual record produced by an echocardiograph.心回波图:心回波描记器产生的视觉记录美国传统〔echoencephalogram〕A visual record produced by an echoencephalograph.超声波心动描记图:脑回波描记器产生的视觉图象美国传统〔echo〕Send out powerful signals and look carefully at the echoes when they come back.发出强大的信号,然后注意观察它们反射的回波。英汉大词典〔flight〕They caught an early flight back to Boston.他们乘了早班飞机回波士顿。牛津搭配
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